|Publication number||US490103 A|
|Publication date||Jan 17, 1893|
|Filing date||Jun 4, 1892|
|Publication number||US 490103 A, US 490103A, US-A-490103, US490103 A, US490103A|
|Inventors||James Ross Collins|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (6), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
NITED STATES JAMES ROSS COLLINS, OF BROOKLYN, NEW YORK.
SPECIFICATION forming part of Letters Patent No. 490,103, dated January 17, 1893. Ap'pncanon inea June 4,1892. sean 110.435,550. en man of a like coarse quality and intended to resist hard usage and Wear, the object of my invention being primarily to reduce the cost of manufacture from the burlap or other fabric, and secondarily, to produce a simple cheap and durable bag of the general class indicated above, in which the stitching will not be soy liable to damage as in bags as formerly made, and in which the several edges will be smooth, strong, and compact.
To accomplish all of this, and to secure other and further advantages in the manufacture of the bags `as well as in the articles produced, my improvements involve certain novel and useful features of invention, all as will be herein iirst fully described and then pointed out 1n the claims.
To facilitate an understanding of the scope,
v character, and relation of my invention, I have represented in the drawings the most common forms of bags as heretofore made, and, in contrast therewith, my improve t manufacturein detail.
In the drawings, Figure 1, is a plan and Fig. 2, a cross-section of a bag made with the rolled or thickened edge secured by the single thread overhand stitch. Fig. 3, is a cross-section of a bag in which the raw edges which are turned out and back upon themselves, have beensecured by a stitching, requiring a subsequent turning (inside out) of tne bag thus produced to complete the article, and Fig. 4, is a cross-section of this bag as it appears when. completed. Fig. 5, is a section of a piece of burlap or other material, showing the raw edges folded back after the manner of practicing my invention. Fig. 6 is a cross-section, and Fig. 7, a plan view of the improved bag completed in accordance with my invention, a portion of the corner of the bag in the last named figure being turned up or back for purposes lof illustration.
fl... m I *y 1,
wherever they occur indicate corresponding parts.
A indicates a piece of material, such, for instance, as burlap, which is to be used in making the bag. 'Ihe upper edge of this material forming the mouth of the bag is usually a selvage,but of courseit may be hemmed if desired.
In the form indicated in Figs. I and 2, the edges of the material are turned in or back upon themselves and stitched down to such material by a line of stitching extending along the same. The material is then folded in the 1niddle,bringing the edges thus stitched together, as in Fig. 3, and a continuous thread a run in and out through the whole, being exposed on the exterior as shown. The parf ticular style of sewing thus used to unite ther edges is familiarly known in the art as "i over handing, although it is accomplished in practice by a peculiar well known machine in which the needle is spiral. The knotted end of the thread is first carried through the cloth by the spiral needle, is then caught, the nc edle turned back leaving the thread, and the thread is then required to be fastened at bothl its ends. This manner ot' sewing'makes the needle holes unnecessarily large and therefore alone weakens the material. It likewise consumes more than double the amount of time which would be required in any other ordinary inode of sewi:C by machinery; but farther and apart from all this, it not only requires a separate seam along each edge of the material, but the seam by which the edges are united draws the edges of the material into a hard roll much enlarged beyond the two thicknesses of which. the bag is composed, and this roll is always exposed to wear, by which the thread is cut and the bag therefore very soon destroyed. In this form, the rolling up or enlarging of the edges is necessary, else the thread would draw in places between the stitches which is not secured.
In the next form indicated in Figs. 3 and 4, i In all the figures like letters of reference i the edges to be stitched at.. first turned out omy of material and labor over and above consumption of material or bagging requiredto form this peculiar seam. -These'old forms fairly represent the products of the art as heretofore produced.
According to my invention, I simply turn the raw edges of the material back and down istering one with the other.
upon itself, as indicated at e e Fig. 5, and -then fold such material along its median line, so as to bring the folded edges in instead of out, as in Fig. 6; with their outer margins reg- While in this position, the stitching is accomplished, the
n thread f f passing through the four folds and extending from one perforation of the needle to the next. The stitching can be done on any of the ordinary forms of sewing machines. The resulting product is a bag with a firm, smooth, durable and not unduly thick edge, and one which can be easily made with econthose heretofore produced.
The turning over of the edges of the material may be easily accomplished in any desired way, and the stitching may be of the chain or lock variety, the thread being protected by the material at the edge, which is nevel' so hard as to prevent the thread from -being suitably embedded therein, and being continuous on the face of the seam, reaching, as it does, from one needle hole to the next, the entire line of materialis firmly secured.
Thel improved bag, in contrast with older forms, is produced with econoinyof time and labor'in handling and stitching, economy o f bagging material and thread, without detriment to the body or seam, and, withal, is well calculated to answer all the purposes and objects of theinvention previously referred to.
Having now fully described my invention, whatI claim as new herein and desire to secure by Letters Patent of the United States 1s- 1. As a new article of manufacture, the herein described ba, the same having the edges of the body at t e several portions turnedA in without being stitched and secured together by a single line of stitching passing from the exterior through the four thicknesses formed by the sides of the bag and the inturned edges, with thethreadextendingfromoneperforation of the needle to the next along the sides of the bag, whereby the turning of such bag, during the "process of manufacture, is obviated, and a secure joining of the edges thereof insured, as set forth.
2. The combination with the body of the bag provided with the unstitched inturned edgese e,of a single line of stitching for uniting such edges formed from thread f passing from the exterior of the bag through the four thicknesses formed by the sides and the inturned edges thereof, with such thread extending from one perforation of the needle to the next along the sides of the bag, whereby the turning of such bag during the process of manufacture is obviated, and a secure and close joining of the edges thereof insured,as and for the purposes described.
In testimony whereof I have hereunto set my hand this 27th day of May, 1892.
JAMES ROSS COLLINS.
T. B. LOWRIE, M. V. CHILDS.
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